Home / 4,929.55-6,801.93-2,939.38

Finding the Fourth Proportional to 4,929.55, 6,801.93 and 2,939.38

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Solution

The fourth proportional to 4,929.55, 6,801.93 and 2,939.38 is: 4,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.55 : 6,801.93 = 2,939.38 : x
  2. Step 2: Convert to fraction form
    4,929.55/6,801.93 = 2,939.38/x
  3. Step 3: Cross multiply
    4,929.55x = 6,801.93 × 2,939.38
  4. Step 4: Simplify right side
    4,929.55x = 19,993,440.00
  5. Step 5: Solve for x
    x = 19,993,440.00/4,929.55
  6. Step 6: Final answer
    x = 4,055.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.